Function inspectFile

pkg/docker/dockerimage/dockerimage.go:1713–2115

(
	object *ObjectMetadata,
	reader io.Reader,
	pkg *Package,
	layer *Layer,
	doHashData bool,
	changeDataHashMatchers map[string]*ChangeDataHashMatcher,
	changePathMatchers []*ChangePathMatcher,
	cpmDumps bool,
	changeDataMatchers map[string]*ChangeDataMatcher,
	utf8Detector *UTF8Detector,
	processorParams *ProcessorParams,
)

func (f *utf8FileInfo) Sys() interface{}   { return nil }

func inspectFile(
	object *ObjectMetadata,
	reader io.Reader,
	pkg *Package,
	layer *Layer,
	doHashData bool,
	changeDataHashMatchers map[string]*ChangeDataHashMatcher,
	changePathMatchers []*ChangePathMatcher,
	cpmDumps bool,
	changeDataMatchers map[string]*ChangeDataMatcher,
	utf8Detector *UTF8Detector,
	processorParams *ProcessorParams,
) error {
	//TODO: refactor and enhance the OS Distro detection logic
	fullPath := object.Name

	var cdhmDumps bool
	for _, dhm := range changeDataHashMatchers {
		if dhm.Dump {
			cdhmDumps = true
			break
		}
	}

	var isKnownCertFile bool
	if certdiscover.IsCertFile(fullPath) {
		pkg.Certs.Bundles[fullPath] = struct{}{}
		isKnownCertFile = true
	} else if certdiscover.IsAppCertFile(fullPath) {
		pkg.Certs.Bundles[fullPath] = struct{}{}
		isKnownCertFile = true
	} else if certdiscover.IsCACertFile(fullPath) {
		pkg.CACerts.Bundles[fullPath] = struct{}{}
		isKnownCertFile = true
	} else if certdiscover.IsCACertPKFile(fullPath) {
		pkg.CACerts.PrivateKeys[fullPath] = struct{}{}
		isKnownCertFile = true
	}

	if (processorParams.DetectIdentities.Enabled &&
		sysidentity.IsSourceFile(fullPath)) ||
		system.IsOSReleaseFile(fullPath) ||
		system.IsOSShellsFile(fullPath) ||
		len(changeDataMatchers) > 0 ||
		cpmDumps ||
		cdhmDumps ||
		utf8Detector != nil ||
		(!isKnownCertFile && processorParams.DetectAllCertFiles) ||
		(!isKnownCertFile && processorParams.DetectAllCertPKFiles) {
		data, err := io.ReadAll(reader)
		if err != nil {
			return err
		}

		if processorParams.DetectIdentities.Enabled &&
			sysidentity.IsSourceFile(fullPath) {
			pkg.IdentityData.AddData(fullPath, data)
		}